Why Investors Should Pay More Attention to Congress Than the Fed

Knowledge at Wharton
Knowledge at WhartonJun 12, 2026

Why It Matters

Fiscal policy directly moves Treasury yields and term premiums, reshaping the risk‑free rate that underpins all asset valuations; ignoring these shocks leaves investors blind to a major driver of market dynamics.

Key Takeaways

  • Fiscal policy shocks move bond yields more than inflation expectations
  • Larger deficit news triggers bigger real‑yield and term‑premium spikes
  • Positive deficit revisions lower rates; responses are symmetric
  • At zero lower bound, fiscal shocks have muted bond market impact
  • Fiscal uncertainty influences equity markets, especially when monetary policy constrained

Summary

The video argues investors should monitor congressional fiscal actions as closely as Federal Reserve moves. Assistant professor Courtney Wiegand explains her research quantifies how real‑time deficit announcements—derived from budget‑resolution outlay ceilings and revenue floors—affect Treasury markets. By treating changes in projected deficits as fiscal shocks, she tracks their immediate impact on nominal yields, break‑even inflation, and the term‑premium component of long‑duration rates. Key findings show higher expected deficits raise nominal yields, with roughly one‑third driven by inflation expectations and two‑thirds by real‑yield increases. The term‑premium, reflecting compensation for interest‑rate and inflation risk, expands significantly, indicating heightened debt‑risk perception even absent default concerns. Conversely, deficit reductions produce symmetric yield declines, underscoring the market’s sensitivity to fiscal direction. Wiegand cites the “One Big Beautiful Bill” tax cut as a concrete example where reduced revenue floors spiked future‑deficit expectations, pushing yields higher. She also notes that when the Fed is constrained at the zero lower bound, fiscal shocks have a muted effect on bond markets but can boost equities, highlighting a subtle coordination between fiscal and monetary policy. The research suggests that congressional budget decisions shape Treasury supply, the world’s benchmark risk‑free rate, and consequently influence broader asset pricing. Investors and policymakers alike need to incorporate fiscal‑shock metrics into their risk models, especially as deficits climb and fiscal uncertainty grows.

Original Description

ABOUT THE EPISODE
Think the Fed moves markets? Congress may have a bigger impact than most investors realize. Courtney Wiegand, Assistant Professor of Finance at the Wharton School, explains how congressional budget decisions can have a direct impact on financial markets. Drawing on her research into fiscal policy shocks, she explores how changing deficit expectations affect bond yields, inflation expectations, investor risk premiums, and even the path of monetary policy. The conversation examines why markets react to deficit news, how fiscal and monetary policy interact, and what rising federal debt could mean for investors in the years ahead.
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This Week in Business features interviews with Wharton faculty about the latest news, fascinating trends, and issues impacting both consumers and the business world. Episodes are recorded at the Wharton School and published twice per week.
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#Investing #Economy #FederalReserve #Congress #FinancialMarkets
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